Cotton fibers were induced from cotton ovule callus cells by suspension culture, float culture or filter paperbridge culture.
用棉花胚珠切块诱导愈伤组织,经悬浮振荡培养、漂浮培养、滤纸桥法等方法诱导成纤维细胞。
2
Load master bridge test is a prerequisite for successful trials, the paperbridge static and dynamic tests conducted in-depth research methods.
掌握桥梁试验方法是荷载试验取得成功的先决条件,本文对桥梁静、动载试验方法进行了深入研究。
3
The paperbridge transition section Approach Road subgrade settlement problem, through the analysis of its causes, the law of subgrade settlement and subgrade settlement governance measures.